Improved metallic studding for fire-proof walls



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ISAAC V. HOLMES, OF NEW YORK, N. Y.

Letters Patent No. 88,294, dated, .Ma/rch 30, 1869.

IMPROVED METALLIC STUDDING- FOR FIRE-PROOF WALLS.

The Schedule referred to :ln these Letters Patent and making part of the sama.

To all whom 'it may concer-n:

Be it known that I, ISAAC V. HOLMES, of the city, county, and State of New York, have invented a new and improved Mode of Constructing the Metallic Studding used for Supports to Lath in the Formation of Fire- Proof Walls; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawing, andv to the letters marked thereon, making part of this specification, in which- Figure 1 is a perspectiveview of the studs and adjustable lugs lin position, with laths attached.-

Figure 2 is a perspective view, showing the arrange ment of the adjustable lugs' with the end of-stud.

Figures 3, 4, 5, 6, 7, and 8, show different sections of studs.

Figures 9 and 10 show sections suitable for using very thin metal, and for lathing that does not require the edges to befslitted.

At present it is customary to use, for the studding, to support the sheets or strips'forming the lath-surface, fiat bands or bars of metal, of suitable width, and varying from one-fourthY to three-eighths of an inch in thickness, according to the height of ceiling, and fastened at each end, by either turning flanges 'on the end; of stud, or by riveting on angle-pieces. This thickness is necessary to give stiffness, on account of 'the elasticity of such long strips of metal, they being ordinarily from ten to eighteeufeet long.

Then, by being confined to a positive length by the turnedilanges, or iixed ends, there is much trouble and expense in fitting-them to the varying heights that huildingsrequire, it beingfonnd thatsome will be a little too long, while others will be as 'much too short,

necessitating a loss of time and labor in iitting them in place.

The obj eet of my invention'is to obviate both of these objections, that is, to save the weight of material, and provide for the varying lengths. Y

To enable-others skilled in the art to make and use my invention, I will proceed to describe the construction and use.

In the formation of the stud, I use thin sheet-metal, say about one-sixteenth of an inch thick, and of such width as may be necessary, and then, by any suitable means, corrugate or bend it, the ridges or corrugations ruiming lengthwise of the strip.

It will at once be seenthatl have4 given to the thin -strip of metal a very stiff form, and that, by varying the depth and number of these corrugations, I can increase that stiffness very much, with a very slightincrease of weight; and that I will then have a stud weighing about one-fourth as much as those now used, equal or supeiior in stiffness, and at about 'one-third the lugs, then taken to the building, the lugs fastened the cost, as such corrugated bands or strips will be furnished by the rolling-mills.

The form, or shape of these bends or corrugatlons may be varied to suit the manufacture1"s idlea of which is the best. Several of them are shown in figs, 3, 4, 5, 6, 7, and 8, but I do not confine my invention to any particular form or curve. Figs. 9 and 10 represent forms where a very thin sheetmetal can be used, and is suitable as a support for sheet-latbing.

In the construction of the adjustable lugs, or supports for studs, (an enlarged view of which is represented at fig. 2) Y A is the end of the stud, in which are punched the oblong holes c c. v

B B are the lugs, with the foot turned for fastening to door or ceiling.

e e are circular holes, punched through body of lug, to correspond with the holes c o in end of stud.

d el are ordinary head-bolts, passing through the stud and lug, and, when screwed up securely,'hold the two together.

' I wish it understood that I do not confine vmyself to the use of an adjustable lug, in combination with a corrugated stud, as it can be applied to the ordinary plain stud with equal advantage; also, the adjustable feature of play in the openings of lug and stud may beobtained, hy having the holes circular, and punched larger in diameter `than the bolts, and so obtain the necessary' movement. Y Y

The operation and advantage of using this combination, are, that the studs can be cut at the shops all of one 1ength,.suitable to the average height of ceiling required, have the holes c c punched and fitted. with to floor and ceiling, and the studs adj usted'to the proper level, by means ofthe oblong holes, and the bolts screwed up, leaving the studs in position, thereby obviatng all trouble, delay, and unnecessary expense by this adjustable feature.

C laims.

What I claim as my invention, and wish to secure by Letters Patent, is

1. A stud formed of corrugated sheet-metal, for supporting a latli-surface, and constructed substantially as and for the purpose described.

` 2. -An adjustable lug, in combination with a metal stud, used for-suppoiting a latir-surface, constructed substantially as and for the purpose set forth.

ISAAC V. HOLMES. Witnesses:

J OHN CANTINE, J. B. WHITE. 

